21141036074 has 16 divisors (see below), whose sum is σ = 32125373280. Its totient is φ = 10432830480.

The previous prime is 21141036073. The next prime is 21141036079. The reversal of 21141036074 is 47063014112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (21141036073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106664 + ... + 231644.

It is an arithmetic number, because the mean of its divisors is an integer number (2007835830).

Almost surely, 2^21141036074 is an apocalyptic number.

21141036074 is a deficient number, since it is larger than the sum of its proper divisors (10984337206).

21141036074 is a wasteful number, since it uses less digits than its factorization.

21141036074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126085.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 21141036074 in words is "twenty-one billion, one hundred forty-one million, thirty-six thousand, seventy-four".